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Materials

Chemistry In Pictures

Chemistry in Pictures: Endless night

by Alexandra A. Taylor
August 31, 2021
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Most Popular in Materials

 

A micrograph of spherulites resembling stars against a black backdrop.
Credit: Yifu Chen

This micrograph shows spherulites of organic cocrystals made up of C17H14N2O and C6F3I3. Yifu Chen, a PhD candidate in the National Engineering Research Center for Industrial Crystallization Technology at Tianjin University, crystallized these spherical samples on a glass slide from a drop of dichloromethane solution. Chen explains that organic spherulites typically form via melt crystallization, and that this experiment gives a rare glimpse of organic spherulites forming via bottom-up solution crystallization. For Chen, the black cross patterns on the spherulites bring to mind shiny stars in an endless night.

Submitted by Yifu Chen

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Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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